/**
 */

package io.hugetower.common.exception;

import cn.hutool.core.map.MapUtil;
import com.alibaba.fastjson.JSON;
import io.hugetower.common.utils.HttpContextUtils;
import io.hugetower.common.utils.IPUtils;
import io.hugetower.common.utils.R;
import io.hugetower.modules.sys.entity.SysLogErrorEntity;
import io.hugetower.modules.sys.service.SysLogErrorService;
import org.apache.shiro.authz.AuthorizationException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.dao.DuplicateKeyException;
import org.springframework.http.HttpHeaders;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.web.servlet.NoHandlerFoundException;

import javax.servlet.http.HttpServletRequest;
import java.util.Map;

/**
 * 异常处理器
 *
 * @author Mark liuyan@hugetower.cn
 */
@RestControllerAdvice
public class RRExceptionHandler {
	private Logger logger = LoggerFactory.getLogger(getClass());

	@Autowired
	private SysLogErrorService sysLogErrorService;

	/**
	 * 处理自定义异常
	 */
	@ExceptionHandler(RRException.class)
	public R handleRRException(RRException e){
		R r = new R();
		r.put("code", e.getCode());
		r.put("msg", e.getMessage());

		return r;
	}

	@ExceptionHandler(NoHandlerFoundException.class)
	public R handlerNoFoundException(Exception e) {
		logger.error(e.getMessage(), e);
		return R.error(404, "路径不存在，请检查路径是否正确");
	}

	@ExceptionHandler(DuplicateKeyException.class)
	public R handleDuplicateKeyException(DuplicateKeyException e){
		logger.error(e.getMessage(), e);
		return R.error("数据库中已存在该记录");
	}

	@ExceptionHandler(AuthorizationException.class)
	public R handleAuthorizationException(AuthorizationException e){
		logger.error(e.getMessage(), e);
		return R.error("没有权限，请联系管理员授权");
	}

	@ExceptionHandler(Exception.class)
	public R handleException(Exception e){
		logger.error(e.getMessage(), e);
		saveErrorLogs(e);
		return R.error();
	}

	/***
	 * 保存异常的请求
	 */
	private void saveErrorLogs(Exception e) {
		SysLogErrorEntity log = new SysLogErrorEntity();
		HttpServletRequest request = HttpContextUtils.getHttpServletRequest();
		log.setIp(IPUtils.getIpAddr(request));
		log.setUserAgent(request.getHeader(HttpHeaders.USER_AGENT));
		log.setRequestUri(request.getRequestURI());
		log.setRequestMethod(request.getMethod());
		Map<String, String> params = HttpContextUtils.getParameterMap(request);
		if (MapUtil.isNotEmpty(params)) {
			log.setRequestParams(JSON.toJSONString(params));
		}
		sysLogErrorService.save(log);
	}
}
